3. The stock equivalent units were accrued under the Company's Directors' Deferred Compensation Plan and are settled in the Company's common stock following cessation as a director.

4. The additional stock equivalents are attributable to quarterly dividends based on the closing price on June 26, 2019 of $23.20.

5. Each restricted stock unit represents a right to receive one share of the Company's common stock.

6. The restricted stock units vest in four equal annual installments beginning with the first anniversary of the award. Shares will be delivered to the reporting person either upon vesting, or if reporting person elected to defer receipt, following cessation as a director.

7. Includes dividend equivalent units through June 30, 2019.

Remarks:

/s/ Bruce A. Metzinger, by Power of Attorney

07/02/2019

** Signature of Reporting Person

Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person,
see
Instruction
4
(b)(v).